We should think of food in terms of quality, not just quantity.
Food high in sugar is associated with cancer and should be eaten in limited amounts.
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Vitamin D is essential for calcium absorption and many other biological processes. Lower levels of Vitamin D increase the rates of almost every disease like cancer, diabetes, osteoporosis, cognitiv...
Getting vitamin D through supplementation shows zero benefits. A study over a period of 5 years found supplementing with Vitamin D had no impact on cancer, heart disease, or stroke.
A number of researchers now argue that people with high vitamin D levels are healthy not because of the vitamin, but because they get plenty of exposure to the sun. Vitamin D is just a marker of that fact.
A dermatologist discovered our skin uses sunlight to make nitric oxide, a molecule in the body that dilates blood vessels and lowers blood pressure.
He exposed volunteers to the equivalent of 30 minutes of summer sunlight without sunscreen. The result? The nitric oxide levels in the volunteers went up, and their blood pressure lowered. Because of the connection of high blood pressure to heart disease and strokes, this discovery can prevent millions of deaths globally.
Everyone has a different requirement for water. Temperature, humidity, size, age, gender and activity have an influence on your fluid needs.
Instead, drink when you are thirsty.
Eggs have a lot of cholesterol compared to other foods. Although cholesterol in the blood is strongly related to heart disease, eating cholesterol is weakly associated with raising the cholesterol levels in your blood.
Eggs have other heart-protecting properties and eating it probably won't harm your heart.
Sunburn happens when you're exposed to a lot of UVB rays from the sun. It only occurs in the middle part of the day in the summer.
When the sun's angle is below 35 degrees, you don't have to ...
The darker your skin the less likely you are to get sunburn or skin cancer. However, dermatologists recommend using sunscreen anyway.
Science has not found any serious threats to your health from using sunscreen.
The chemicals in sunscreen, oxybenzone and octinoxate, are dangerous to coral reefs, which is why Hawaii has banned them.
There aren't any effective alternatives to sunscreen besides avoiding the sun.
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